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73056131 is a prime number
BaseRepresentation
bin1000101101010…
…11111110000011
312002110122011122
410112223332003
5122200244011
611125502455
71544652431
oct426537603
9162418148
1073056131
1138269175
1220571a2b
131219b8a5
1499b9d51
1566313db
hex45abf83

73056131 has 2 divisors, whose sum is σ = 73056132. Its totient is φ = 73056130.

The previous prime is 73056103. The next prime is 73056143. The reversal of 73056131 is 13165037.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73056131 - 226 = 5947267 is a prime.

It is a super-2 number, since 2×730561312 = 10674396553378322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73056131.

It is not a weakly prime, because it can be changed into another prime (73056161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36528065 + 36528066.

It is an arithmetic number, because the mean of its divisors is an integer number (36528066).

Almost surely, 273056131 is an apocalyptic number.

73056131 is a deficient number, since it is larger than the sum of its proper divisors (1).

73056131 is an equidigital number, since it uses as much as digits as its factorization.

73056131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 73056131 is about 8547.2879324380. The cubic root of 73056131 is about 418.0410111391.

The spelling of 73056131 in words is "seventy-three million, fifty-six thousand, one hundred thirty-one".